Part A How much time is required for the football toreach the highest point of t

Question

Part A How much time is required for the football toreach the highest point of the trajectory?
Part B How high is this point? Part C How much time (after it is thrown) isrequired for the football to return to its original level?
Part D How far has it traveled horizontally duringthis time? How much time is required for the football toreach the highest point of the trajectory? Part B How high is this point? Part C How much time (after it is thrown) isrequired for the football to return to its original level?
Part D
Part D
Part D
Part D
Part D
Part D
Part D
Part D
Part D
Part D How far has it traveled horizontally duringthis time?

Explanation / Answer

In some ways, they made this problem just a little easiersince you dont have to find the components of the velocity a) when ball reaches highest point, v= 0 use v= vo + at 0= 15.4 + -9.8 t t= 1.57 sec b) to find height use d= vo t + 1/2 a t^2 d = 15.4 (1.57) - 1/2(9.8) (1.57)^2 d=12.1 m c) it takes as much time to go down from max height as it didto get up there 1.57 (2)=3.14 sec d) d= vo t 18.5 (3.14) = 58.14 m

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